EP 3249071 A1 20171129 - A MOULD INSERT WITH EXTENDED SERVICE LIFE FOR PRESS-MOULDING OF STAMPINGS
Title (en)
A MOULD INSERT WITH EXTENDED SERVICE LIFE FOR PRESS-MOULDING OF STAMPINGS
Title (de)
FORMEINSATZ MIT ERHÖHTER LEBENSDAUER ZUM PRESSFORMEN VON STAMPFUNGEN
Title (fr)
INSERT DE MOULE À DURÉE DE VIE ÉTENDUE POUR MOULAGE PAR COMPRESSION DE PIÈCES ESTAMPÉES
Publication
Application
Priority
PL 41655316 A 20160321
Abstract (en)
The subject of the invention is a mould insert with extended service life for forming stampings by means of the press-moulding method, especially stampings from refractory materials supplied in the form of refractory powders or granulates, whereas said insert constituting one of side wall linings of the mould cavity is made of alloy steel in the form of a cuboidal solid characterised in that its outer working surface (3) is joined inseparably with metallic coating (4) with thickness g = 0.2-0.4 mm and hardness 2750-2785 HV, and the coating contains in its composition 86-90% by weight of tungsten carbide and 10-14% by weight of cobalt
IPC 8 full level
C23C 4/06 (2016.01); B28B 7/00 (2006.01); B28B 7/36 (2006.01); B30B 15/02 (2006.01); C23C 4/134 (2016.01)
CPC (source: EP)
B28B 7/366 (2013.01); B30B 15/022 (2013.01); C23C 4/06 (2013.01); C23C 4/134 (2016.01)
Citation (search report)
- [X] US 5445514 A 19950829 - HEITZ LANCE A [US]
- [I] EP 1726421 A2 20061129 - T W R SAS DI MARIO DODA & C [IT]
- [A] EP 0919345 A1 19990602 - FOMB OFFICINE MECCANICHE BONGI [IT]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3249071 A1 20171129; PL 240008 B1 20220207; PL 416553 A1 20170925
DOCDB simple family (application)
EP 16460035 A 20160602; PL 41655316 A 20160321